Ice core extracted from Wolverine Glacier, Alaska
![USGS scientist, measures and weighs an ice core extracted from Wolverine Glacier.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Wolv_LCS1756_LSass_0918.jpg?itok=bxr4IifZ)
Detailed Description
USGS scientist, Chris McNeil, measures and weighs an ice core extracted from Wolverine Glacier to determine the density of the firn layer.
Sources/Usage
Public Domain.
Photographer: Louis Sass, USGS